US11357308B1ActiveUtility

Lipstick container with replaceable lipstick tube

Assignee: LIU TING NANPriority: Mar 5, 2021Filed: Mar 5, 2021Granted: Jun 14, 2022
Est. expiryMar 5, 2041(~14.6 yrs left)· nominal 20-yr term from priority
Inventors:Ting Nan Liu
A45D 2040/0062A45D 2040/005A45D 2040/0043A45D 40/12A45D 40/02A45D 40/00
95
PatentIndex Score
4
Cited by
5
References
5
Claims

Abstract

A lipstick container includes a cap including a plurality of cavities on an inner surface; a lipstick tube including a locking hole in a bottom, two opposite recesses on the locking hole, and a projection on an inner surface of the locking hole and distal the recesses; a carriage put on an outer surface of the lipstick tube adjacent to the locking hole and including a plurality of protrusions on an outer surface and complementarily disposed in the cavities respectively, an axial channel, and an annular protuberance on a surface of the axial channel, and a plurality of slits in the annular protuberance; and a seat including a bossed hole extending to dispose in both the axial channel and the locking hole, and two opposite tabs formed on an edge of the bossed hole and passing through the recesses respectively to urge against the projection.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
       1. A lipstick container, comprising:
 a cap including a plurality of cavities on an inner surface; 
 a lipstick tube including a locking hole in a bottom, two opposite recesses on the locking hole, and a projection on an inner surface of the locking hole and distal the recesses; 
 a carriage put on an outer surface of the lipstick tube adjacent to the locking hole and including a plurality of protrusions on an outer surface and complementarily disposed in the cavities respectively, an axial channel, and an annular protuberance on a surface of the axial channel, and a plurality of slits in the annular protuberance; and 
 a seat including a bossed hole extending to dispose in both the axial channel and the locking hole, and two opposite tabs formed on an edge of the bossed hole and passing through the recesses respectively to urge against the projection; 
 wherein a distance from one tab to the other tab is less than a distance from one recess to the other recess and greater than a diameter of the locking hole. 
 
     
     
       2. The lipstick container of  claim 1 , wherein the lipstick tube further comprises a plurality of longitudinal ridges and the carriage further comprises a plurality of wells on an inner surface configured to complementarily receive the longitudinal ridges. 
     
     
       3. The lipstick container of  claim 1 , wherein the seat further comprises at least one projecting member on an intermediate portion of an outer surface of the bossed hole and urging against the annular protuberance. 
     
     
       4. The lipstick container of  claim 1 , wherein the seat further comprises a plurality of vent holes. 
     
     
       5. The lipstick container of  claim 1 , wherein the slits are tapered toward the axial channel.

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